# microchimerism

> English word · Noun

## Definitions
1. The presence of a small number of cells in an organism that are genetically different from those of the organism itself; typically transmitted between a mother and fetus

## Etymology
From micro- + chimerism.

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/microchimerism